Miss Isabel Thorne is the most fascinating woman in Washington society, and the Secret Service suspects she is at the centre of an international conspiracy. Cables, the language of the fan, a safe opening, a vanishing diplomat and a lace handkerchief mark the duel between her and the agents set to watch her.
Spy fiction from the creator of the Thinking Machine, written three years before he died on the Titanic. Download the free EPUB.